Railless refrigerator display door

ABSTRACT

A railless refrigerator display door constructed with two or more glass panels and having a peripheral door frame extending around the sides of The door and at the inside of the door without covering the outside glass surface of the door. Sealant is used to bond the glass panels to peripheral spacers separating the panels and to C-section structures which extend peripherally around the sides of the door. The door frame is also bonded to the C-section structures and glass panels by the sealant. Rubber bumpers attached to the C-section structures reduce heat transfer from the inside glass panel to the outside glass panel. As such, mechanical fasteners such as nuts, bolts or screws are not needed for the purpose of holding the refrigerator door together.

CROSS-REFERENCE TO RELATED APPLICATION

This application is a continuation-in-part of application, Ser. No.07/585,602, filed Sep. 20, 1990, .Iadd.now U.S. Pat. No. 5,097,642,.Iaddend.and entitled "Glass Refrigerator Door Structure."

BACKGROUND OF THE INVENTION

The present invention relates generally to refrigerator doors, and moreparticularly to a railless refrigerator display door constructed withtwo or more glass panels and having a peripheral door frame extendingaround the sides of the door and at the inside of the door withoutcovering the outside glass surface of the door.

Present commercial glass refrigerator doors typically have door frameswhich extend peripherally around the glass panels of the doors. Suchdoor frames are used to hold the glass panels in place and extendperipherally around both the inside and outside glass surfaces of thedoors. As a result, the door frames can be seen from the outside of thedoors, distracting from the appearance of the glass doors. Such doorframes are disclosed, for example, in U.S. Pat. Nos. 4,696,078, issuedto Stromquist on Sep. 29, 1987; 4,671,582, issued to Stromquist, et al.on Jun. 9, 1987; 4,223,482, issued to Barroero, et al. on Sep. 23, 1980;3,339,225, issued to Booth on Sep. 5 1967; and 3,331,159, issued toCooke, et al. on Jul. 18, 1967.

SUMMARY OF THE INVENTION

It is an object of this invention to provide a railless refrigeratordisplay door having a peripheral door frame that does not cover theoutside glass surface of the door, presenting a more attractive anddesirable refrigerator door.

It is another object of this invention to provide a raillessrefrigerator display door that is simple in design and inexpensive tomanufacture.

It is still another object of this invention to provide a raillessrefrigerator display door which may be constructed with two or moreglass panels.

It is still another object of this invention to provide a raillessrefrigerator display door which does not require mechanical fastenerssuch as nuts, bolts or screws to hold the structure together.

These and other objects and advantages are attained by a raillessrefrigerator display door constructed with two or more glass panels. Therefrigerator door has a peripheral door frame extending around the sidesof the door and at the inside of the door without covering the outsideglass surface of the door. Sealant is used to bond the glass panels toperipheral spacers separating the panels and to C-section structureswhich extend peripherally around the sides of the door. The door frameis also bonded to the C-section structures and glass panels by thesealant. Rubber bumpers attached to the C-section structures reduce heattransfer from the inside glass panel to the outside glass panel. Assuch, mechanical fasteners such as nuts, bolts or screws are not neededfor the purpose of holding the refrigerator door together.

The various features of the present invention will be best understoodtogether with further objects and advantages by reference to thefollowing description of the preferred embodiments taken in conjunctionwith the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS:

FIG. 1 is an elevational view of two railless refrigerator display doorsof the present invention mounted on a cabinet or other supportingstructure;

FIG. 2 is a detailed cross-sectional view showing how a door hingeassembly may be used at the upper right-hand corner of each raillessrefrigerator display door;

FIG. 3 is a detailed cross-sectional view showing how a torque rod maybe used with an adjustable anchor device at the lower right-hand cornerof each railless refrigerator display door;

FIG. 4 is a detailed cross-sectional view taken in the direction ofarrows 4--4 shown in FIG. 2;

FIG. 5 is a detailed cross-sectional view taken in the direction ofarrows 5--5 shown in FIG. 4 illustrating how three glass panels may beused for the railless refrigerator display door;

FIG. 6 is a detailed view taken in the direction of arrows 6--6 shown inFIG. 1 illustrating how a handle is attached to one of the raillessrefrigerator display doors (shown by dashed lines);

FIG. 7 is a detailed cross-sectional view taken like FIG. 5 showinganother embodiment of the railless refrigerator display door using twoglass panels; and

FIG. 8 is a detailed cross-sectional view taken like FIG. 5 showingstill another embodiment of the railless refrigerator display door usingthree glass panels.

DESCRIPTION OF THE PREFERRED EMBODIMENTS:

The following specification taken in conjunction with the drawings setsforth the preferred embodiments of the present invention in such amanner that any person skilled in the art can make and use theinvention. The embodiments of the invention disclosed herein are thebest modes contemplated by the inventors for carrying out theirinvention in a commercial environment, although it should be understoodthat various modifications can be accomplished within the parameters ofthe present invention.

Referring to FIG. 1, two railless refrigerator display doors 10 of thepresent invention are shown installed or mounted on a cabinet or othersupporting structure 12. The refrigerator display doors 10 have glasspanels 14 which allow someone, such as a customer in a supermarket, tolook through the panels 14 at frozen foods or other items kept inside arefrigerated area. However, it is important to note that the displaydoor 10 of the present invention may be used as doors for any enclosedarea whether or not the area is refrigerated.

A door hinge assembly 16 may be used at the upper right-hand corner ofeach railless refrigerator display door 10 and a torque rod 18 may bemounted in an adjustable anchor device 20 attached to the supportingstructure 12 near the lower right-hand corner of the door 10.

One such door hinge assembly 16 is shown in detail in FIGS. 2 and 4.This hinge assembly 16 is described in U.S. Pat. No. 4,671,582, issuedto Stromquist, et al. on Jun. 9, 1987, the disclosure of which is herebyincorporated by reference thereto. However, any other suitable type ofhinge assembly may be used instead of the hinge assembly 16 shown inFIGS. 2 and 4.

FIG. 3 shows how the torque rod 18 may be mounted in an adjustableanchor device 20 at the lower right-hand corner of each refrigeratordisplay door 10. A torque rod 18 and an adjustable anchor device 20,which may be used with door 10, are described in U.S. Pat. No.4,696,078, issued to Stromquist on Sep. 29, 1987, the disclosure ofwhich is hereby incorporated by reference thereto. It is important tonote that any other suitable types of torque rods or anchor devices mayalso be used. For example, the torque rod 18 may be mounted in anaperture in the supporting structure 12.

Referring now to FIGS. 4 and 5, an embodiment of the raillessrefrigerator display door 10 is shown which uses outside, middle andinside glass panels 14, 22 and 24, respectively. The panels are spacedapart by two hollow spacers 26, preferably made of metal such asaluminum. However, any desirable material may be used for the spacers26. Each hollow spacer 26 forms a rectangular shaped frame-likestructure as shown in FIG. 4 and extends around the sides of the door10. As shown in FIG. 5, the hollow spacers 26 are preferably filled withdesiccant 30 used as a drying agent. Any suitable material may be usedas desiccant 30. Rubber or plastic such as neoprene or vinyl insulators28 are used between the spacers 26 and the glass panels 14, 22 and 24 asshown in FIG. 5.

Four hollow pipe-like structures 34 are located between glass panels 14and 24 as shown in FIG. 5, each of which extends along a different sideof the refrigerator display door 10. See FIG. 4, which shows how onepipe-like structure 34 extends across the top side of the door 10 whileanother pipe-like structure 34 extends along the right side of the door10. Similarly, separate structures 34 extend along the left side andbottom side of the door 10. The structures 34 are preferably made out ofaluminum, but any suitable material may be used.

Referring again to FIG. 5, each pipe-like structure 34 has a flatportion 36 and flanged ends 37. Rubber or neoprene insulators 38 areused between flanges 37 of each pipe-like structure 34 and glass panels14 and 24 as shown in FIG. 5. Note how end 39 of horizontal pipe-likestructure 34 in FIG. 4 abuts up against flat portion 36 of verticalpipe-like structure 34.

As shown in FIGS. 4 and 5, sealant 32 is placed in the void spacebetween the pipe-like structures 34 and the hollow spacers 26, andbetween each pipe-like structure 34 and glass panels 14 and 24. Sealant32 bonds to structures 34, spacers 26, and glass panels 14, 22 and 24,positioning or holding panels 14, 22 and 24 in place. The preferredsealant 32 is polysulfide or polyurethane. However, any suitable thermalsetting sealant may be used that hardens and bonds as described above.

The railless refrigerator display door 10 has a peripheral door frame 42extending around the sides of the door 10. As such, frame 42 forms agenerally rectangular-shaped frame. As shown in FIGS. 2, 3 and 5, frame42 is in contact with or covers inside surface 44 of glass panel 24, butdoes not cover outside surface 46 of glass panel 14. As such, a moreattractive or desirable railless refrigerator display door 10 resultsbecause only a small outside surface 48 of frame 42 appears at the frontor outside of display door 10, or along the sides of structure 10. Notethat the small outside surface of frame 42 may be curved if desired likesurface 50 shown in FIG. 7.

Door frame 42 has a generally V-shaped cross-section with inside portion47 and side portion 49. Portion 49 has a peripheral extension 52extending peripherally around frame 42 which engages or snaps intoelongated slots or openings 54 in the pipe-like structures 34 so thatglass panels 14 and 24 are positioned with respect to frame 42 withperipheral edges 56 and 58 of panels 14 and 24, respectively, abuttingup against portion 49 as shown in FIG. 5. As such, the raillessrefrigerator display door 10 is held together without mechanicalfasteners such as nuts, bolts or screws.

A handle 60 may be attached to the refrigerator display door 10 as shownin FIG. 6. In addition, as shown in FIGS. 2 through 4, door frame 42 hasan aperture 62 at the upper right-hand corner thereof for hinge assembly16, and an aperture 64 at the lower right-hand corner thereof for torquerod 18. It is important to note that handle 60 and apertures 62 and 64may be positioned as desired to provide either a left- or right-handdoor.

Referring again to FIG. 2, a door seal 66 with magnet 68 may be attachedto the door frame 42 for the purpose of keeping the door 10 shut. Asshown in FIG. 5, wires 40 may be positioned next to the pipe-likestructures 34 and held in place by sealant 32.

Another embodiment of the railless refrigerator display door 10 is shownin FIG. 7. This embodiment uses only two glass panels 14 and 24 and asingle peripheral hollow spacer 70 filled with desiccant 30. Note thatsealant 32 is used to bond together panels 14 and 24, spacer 70 andpipe-like structures 34.

Preferably, as shown in FIGS. 1, 3, 5 and 7, borders 59 are painted (orotherwise coated) peripherally adjacent the edges 56 and 58 of glasspanels 14 and 24 on surfaces 21 and 23, respectively. The paintedborders 59 conceal from view structures 34 and spacers 26 or 70,providing a more attractive door 10.

FIG. 8 shows still another embodiment of the railless refrigeratordisplay door 10. This embodiment uses three glass panels 14, 22 and 24,two hollow spacers 26, preferably filled with dessicant 30, andinsulators 28. However, only two panels 14 and 24 may be used, ifdesired, as shown in FIG. 7.

A different door frame 72 is used that has two peripheral extensions 76and 78 .Iadd.on an inwardly facing portion, which may as shown in FIG.8, include undulating surfaces 76a and 78a, respectively.Iaddend.. Also,C-section structures 74 are used with this embodiment instead of thepipe-like structures 34 shown in FIGS. 5 and 7. Sealant 32 is used tobond together panels 14, 22 and 24, spacers 26, door frame 72 and theC-section structures 74. Note that extensions 76 and 78 of door frame 72extend well into the sealant 32, helping to securely bond the frame 72to the other parts of the embodiment. As such, this eliminates the needto use extensions 52 which snap into slots 54 as shown in FIGS. 5 and 7.

.Iadd.As shown in FIG. 8, the C-section structures 74 include aninwardly facing portion 75 having a pair of side portions 77. TheC-section structures 74 also include a pair of panel-facing convergentportions 79 which at least partly face an adjacent panel. The convergentportions define a generally cylindrical torque or hinge rod receivingportion therebetween. The inwardly facing portion 75 and the convergentportions 79 may include undulating surfaces 75a and 79a, respectively..Iaddend.

The C-section structures 74 are preferably extrusions made out of metalsuch as aluminum. However, any other metal or suitable material may beused instead of aluminum like reinforced resin such as fiberglass, orthe like. Also, structures 74 may be protrusions, or molded, cast,machined, or otherwise fabricated. Rubber or plastic such as neoprene orvinyl bumpers 80 are attached to .Iadd.grooves 81 which are formed in.Iaddend.the C-section structures 74 .Iadd.via each bumper's mountingportion, or extension 83.Iaddend.. The bumpers 80 preferably areelongated running the length of the structures 74. The bumpers 80 reduceheat transfer from inside panel 24 to outside panel 14, providecushioning between the C-section structures 74 and the panels.

Door frames 42 and 72 may be made out of any suitable material such asmetal, fiberglass, plastic, or the like. Preferably, material with aclear base resin, such as Keysor #1101-005 vinyl, sold by KeysorCorporation, is used for the door frames. Flexible extensions 82, 84 and86 are thermally fused to door frame 72 using a dual durometer extrusionprocess and are used to cushion or seat the frame against peripheraledges 56 and 58 of panels 14 and 24, respectively, and inside surface 44of panel 24. Preferably, a thermal plastic elastomeric material with aPVC Shore A 35-60 hardness is used for extensions 82, 84 and 86.However, any suitable plastic or other flexible (elastomeric) materialmay be used.

The above description discloses the preferred embodiments of the presentinvention. However, persons of ordinary skill in the art are capable ofnumerous modifications once taught these principles. Accordingly, itwill be understood by those skilled in the art that changes in form anddetails may be made to the above-described embodiments without departingfrom the spirit and scope of the invention.

We claim:
 1. A railless refrigerator display door comprising:an outsideglass panel and an inside glass panel; a hollow spacer disposed betweensaid glass panels, said spacer extending peripherally adjacentperipheral edges of said panels; elongated structures disposed betweensaid glass panels, said elongated structures extending peripherallyadjacent said peripheral edges of said panels and peripherally about anouter periphery of said spacer; a door frame extending peripherallyabout said elongated structures; and sealant disposed between saidpanels, said sealant holding together said panels, said spacer, saidelongated structures, and said door frame, said door frame havingelongated extensions extending inwardly into said sealant adjacent saidelongate structures.
 2. The display door of claim 1 wherein saidstructures have bumper means attached thereto for reducing heat coldtransfer between said panels.
 3. The display door of claim 1 whereinsaid door frame engages said peripheral edges of said panels and coversa peripheral inside surface of said inside panel.
 4. The display door ofclaim 1 wherein said hollow spacer is filled with a desiccant.
 5. Thedisplay door of claim 1 further comprising rubber insulators disposedbetween said spacer and said panels.
 6. The display door of claim 1wherein said sealant is a thermal setting sealant.
 7. The display doorof claim 1 wherein said bumper means are made out of rubber.
 8. Arefrigerator display door comprising:an outside glass panel, a middleglass panel and an inside glass panel; a spacer disposed between saidoutside and middle glass panels; a spacer disposed between said middleand inside glass panels; elongated structures disposed between saidinside and outside panels and extending peripherally adjacent peripheraledges of said inside and outside panels and peripherally about outsideperipheries of said spacers; a door frame extending peripherally aboutsaid elongated structures; and sealant disposed between said inside andoutside panels, said sealant holding together said spacers, saidelongated structures, said inside, middle and outside panels, and saiddoor frame, said door frame having elongated extensions extendinginwardly into said sealant adjacent said elongated structures.
 9. Thedisplay door of claim 8 wherein said door frame engages said peripheraledges of said inside and outside panels and covers a peripheral insidesurface of said inside panel.
 10. The display door of claim 8 whereinsaid hollow spacers are filled with a desiccant.
 11. The display door ofclaim 8 further comprising rubber insulators disposed between saidspacers and said panels.
 12. The display door of claim 8 wherein saidsealant is a thermal setting sealant.
 13. The display door of claim 8further comprising bumper means attached to said structures for reducingcold transfer between said inside and outside panels.
 14. A refrigeratordisplay door comprising:an outside glass panel and an inside glasspanel; a spacer disposed between said glass panels, said spacerextending peripherally adjacent peripheral edges of said panels;elongated structures disposed between said glass panels; bumpersattached to each of said structures in order to reduce heat transferbetween said inside and outside panels; a door frame extendingperipherally about said elongated structures; and sealant disposedbetween said panels, said sealant holding together said panels, spacer,elongated structures, and door frame, said door frame having elongatedextensions extending inwardly into said sealant adjacent said elongatedstructures.
 15. The display door of claim 14 wherein said door frameengages said peripheral edges of said panels and covers a peripheralinside surface of said inside panel.
 16. The display door of claim 14wherein said hollow spacer is filled with a desiccant.
 17. The displaydoor of claim 14 further comprising rubber insulators disposed betweensaid spacer and said panels.
 18. The display door of claim 14 whereinsaid sealant is a thermal setting sealant.
 19. The display door of claim14 further comprising flexible extension means for cushioning said doorframe against said panels. .Iadd.
 20. A swing door assembly,comprising:first and second door panels spaced apart to provide a spacetherebetween, said panels have panel edges; a structural memberpositioned between said panels proximate said edges; pads between thestructural member and the panels such that the structural member extendsless than the entire thickness of the space between the panels; swingingmeans for mounting said panels for swinging movement; wherein saidstructural member in transverse cross-section has a maximum dimension,the maximum dimension being less than the distance between said panels..Iaddend. .Iadd.21. The assembly of claim 20 wherein said structuralmember includes side portions facing respective adjacent said panels andconvergent portions converging towards one another. .Iaddend. .Iadd.22.The assembly of claim 20 wherein the pads are resilient plastic padshaving a low thermal conductivity. .Iaddend. .Iadd.23. The assembly ofclaim 22 wherein the pads are neoprene. .Iaddend. .Iadd.24. The assemblyof claim 22 wherein the pads are vinyl. .Iaddend. .Iadd.25. The assemblyof claim 20 wherein the structural frame member has a maximum outercross-sectional dimension and the dimension is less than the distancebetween the panels. .Iaddend. .Iadd.26. The assembly of claim 20 furthercomprising sealant between said panels. .Iaddend. .Iadd.27. The assemblyof claim 20 wherein the structural member comprises a holding member andsaid swinging means includes a torque rod disposed in said holdingmember. .Iaddend. .Iadd.28. The assembly of claim 20 wherein said padsinclude bumpers attached directly to side portions of said structuralmember, said side portions extending a first distance in a directionparallel to said panels, and convergent portions which extend a seconddistance in a direction parallel to the panels, said second distancebeing greater than said first distance. .Iaddend. .Iadd.29. The assemblyof claim 20 wherein said structural member has a maximum cross-sectionaldistance and the maximum cross-sectional distance is less than thedistance between said panels. .Iaddend. .Iadd.30. The assembly of claim29 wherein the maximum cross-sectional distance is on a cross-sectiondiagonal. .Iaddend. .Iadd.31. The assembly of claim 20 wherein saidstructural member has an inwardly facing portion and a rod receivingportion secured thereto. .Iaddend. .Iadd.32. The assembly of claim 20further comprising a third panel thereto disposed between said first andsecond panels, a first spacer spacing said first and third panels apart,and a second spacer spacing said second and third panels apart..Iaddend. .Iadd.33. The assembly of claim 20 further comprising a doorframe having a peripheral extension which secures said door frame tosaid door. .Iaddend. .Iadd.34. The assembly of claim 20 furthercomprising sealant between said structural member and one panel..Iaddend. .Iadd.35. A door assembly for use as a swing door, theassembly comprising:at least two door panels having edges and beingspaced apart to provide an air space between the panels; `an elongatestructural member positioned at least partly between the panels near therespective edges of at least one side of the panels, the structuralmember having side portions facing a respective adjacent panel; `bumperscomposed of a resilient material secured to each side portion of thestructural member, the bumpers having a thickness between the structuralmember and the panel and a width perpendicular to the thickness, whereinthe thickness is approximately equal to the width; and `swing elementspositioned with respect to the structural member so as to permitswinging movement of the door. .Iaddend. .Iadd.36. The assembly of claim35 wherein the structural member includes a groove and wherein thebumpers elements engage the groove in the structural member. .Iaddend..Iadd.37. The assembly of claim 35 wherein said bumpers have rounded tipsurface. .Iaddend. .Iadd.38. The assembly of claim 35 wherein saidbumpers extend into said structural member a distance as great as thedistance said structural member is spaced from one of said panels..Iaddend. .Iadd.39. The assembly of claim 35 wherein said structuralmember includes an outermost edge adjacent but separate from one of saidpanels and wherein at least one of said bumpers which covers saidoutermost edge. .Iaddend. .Iadd.40. The assembly of claim 35 whereinsaid bumpers interengage each said side portion of the structural memberand are positioned at least partly between said structural member and arespective panel. .Iaddend. .Iadd.41. The assembly of claim 35 whereinsaid bumpers include mounting portions which extend into said structuralmember. .Iaddend. .Iadd.42. The assembly of claim 35 wherein saidstructural member includes a groove, said bumpers include an extension,and said extension extends into said groove. .Iaddend. .Iadd.43. Theassembly of claim 35 wherein said bumpers are formed with asemi-circular cross-section. .Iaddend. .Iadd.44. A swing door assembly,comprising:first and second door panels having door panel edges, saiddoor panels being spaced apart to provide a space therebetween; astructural member positioned at least partly between said panelsproximate the respective said edges of at least one side of said panels;plastic pads between said structural member and said panels; whereinsaid structural member has side portions facing a respective adjacentsaid panel and converging portions converging toward each other and awayfrom said respective adjacent panels such that twisting of saidstructural member between said panels does not result in said structuralmember contacting either of said panels; and at least one swing elementpositioned coaxially with respect to said structural member andpermitting swinging movement of said panels. .Iaddend. .Iadd.45. Theassembly of claim 51 wherein said plastic pads comprise bumpers attachedto said side portions and said converging portions are longer than saidside portions. .Iaddend. .Iadd.46. The assembly of claim 44 wherein saidstructural member has a maximum cross-sectional dimension and saidpanels are spaced apart a distance greater than the maximumcross-sectional dimension such that said structural member when twistedremains spaced from both said panels. .Iaddend. .Iadd.47. The assemblyof claim 44 further comprising sealant between said panels. .Iaddend..Iadd.48. The assembly of claim 54 wherein one portion of said sealantis between said first panel and said structural member and anotherportion of said sealant is between said second panel and said structuralmember. .Iaddend. .Iadd.49. A swing door assembly, comprising:first andsecond door panels spaced apart to provide a space therebetween, saidpanels having panel edges; a structural member positioned between saidpanels proximate said edges; elastic members disposed between saidpanels and said structural member and spacing said structural memberfrom both said panels; and swinging means for mounting said panels forswinging movement; wherein said structural member in transversecross-section has a maximum dimension, the maximum dimension being lessthan the distance between said panels such that said structural memberis twisted about its longitudinal axis impacts neither of said panels..Iaddend. .Iadd.50. The assembly of claim 49 wherein said structuralmember comprises a holding member and said swinging means includes atorque rod disposed in said holding member. .Iaddend. .Iadd.51. Theassembly of claim 49 wherein said structural member includes sideportions facing respective adjacent said panels and said portionsconverging towards one another relative to said panel edges in anoutboard direction. .Iaddend. .Iadd.52. The assembly of claim 49 furthercomprising at least one spacer disposed inboard of said structuralmember and between said panels so as to space said panels apart..Iaddend. .Iadd.53. The assembly of claim 49 wherein said structuralmember has an inwardly facing portion and a rod receiving portionsecured thereto. .Iaddend. .Iadd.54. The assembly of claim 49 whereinsaid structural member includes an inwardly facing portion having afirst side facing said first panel and a second side facing said secondpanel, said elastic members include first and second bumpers, said firstbumper extends into said first side and engages said first panel, saidsecond bumper extends into said second side and engages said secondpanel, and said first and second bumpers reduce torsional stressesexerted on said panels from said structural member. .Iaddend. .Iadd.55.The assembly of claim 49 further comprising sealant between said panels..Iaddend. .Iadd.56. The assembly of claim 49 wherein said structuralmember has an inwardly facing portion generally perpendicular to saidpanels, said inwardly facing portion having an undulating surfaceassociated therewith interengaging said sealant. .Iaddend. .Iadd.57. Theassembly of claim 49 wherein said structural member has a firstundulating surface which said sealant interengages and a secondundulating surface which said sealant interengages. .Iaddend. .Iadd.58.The assembly of claim 49 wherein said structural member includes a firstgroove facing said first panel and a second groove facing said secondpanel, and said elastic members include a first bumper secured in saidfirst groove and contacting said first panel and a second bumper securedin said second groove and contacting said second panel. .Iaddend..Iadd.59. The assembly of claim 49 further comprising a third paneldisposed between said first and second panels, a first spacer spacingsaid first and third panels apart, and a second spacer spacing saidsecond and third panels apart. .Iaddend. .Iadd.60. The assembly of claim49 further comprising a door frame with a portion positioned at saidpanel edges, said door frame having a peripheral extension which securessaid door frame to said door. .Iaddend. .Iadd.61. The assembly of claim60 further comprising sealant between said structural member and onepanel and said extension. .Iaddend. .Iadd.62. The assembly of claim 49wherein said structural member has a slot and an extension which extendsinto said slot. .Iaddend. .Iadd.63. The assembly of claim 49 whereinsaid elastic members are made of rubber. .Iaddend. .Iadd.64. Theassembly of claim 49 wherein said elastic members are made of plastic..Iaddend.